NORTH IOWA MERCY CLINICS
NPI 1962674598
Dermatology in Mason City, IA

Q: What is North Iowa Mercy Clinics's NPI number?

The NPI number for North Iowa Mercy Clinics is 1962674598. It was assigned to this organization in the NPPES registry on March 24, 2008. The provider is doing business as Mercy Dermatology Center and MercyOne North Iowa Dermatology Care.

Q: What is North Iowa Mercy Clinics's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Active since March 24, 2008

1421 4TH ST SW, MASON CITY, IA 50401(641) 428-2080(641) 428-5150 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 5, 2026, Nov 30, 2020, Feb 18, 2020 and 1 more (4 updates tracked since 2017).

On this page

About North Iowa Mercy Clinics NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NORTH IOWA MERCY CLINICS (NPI 1962674598), doing business as Mercy Dermatology Center, is a healthcare organization registered as a dermatology in Mason City, Iowa and active in the NPI registry since March 2008. The organization lists Mark C Trammel, Vp Finance, as its authorized official.

NPPES Registry Identity

NPI1962674598

Entity TypeOrganization

Primary Taxonomy207N00000X

Legal Business NameNORTH IOWA MERCY CLINICS

Location Address1421 4TH ST SWMason City, IA 50401-2736

Mailing Address1000 4th St SwMason City, IA 50401-2800

Phone(641) 428-2080

Fax(641) 428-5150

Organization SubpartNo

Authorized OfficialMark C TrammelVp Finance · (641) 428-7984

Enumeration DateMarch 24, 2008

Last NPPES UpdateMarch 5, 20264 updates tracked since enumeration

NPPES CertifiedMarch 5, 2026

✔ NPI 1962674598 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207N00000X

Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

1421 4TH ST SW, Mason City, IA 50401

Open in Google Maps ↗

Other Names 2

Doing Business AsMercy Dermatology Center

Doing Business AsMercyone North Iowa Dermatology Care

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

North Iowa Mercy Clinics is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

419

Medicare enrollment records show 419 clinicians reassign Medicare billing to North Iowa Mercy Clinics, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 206 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 49

Nurse Practitioner73

Certified Registered Nurse Anesthetist (CRNA)55

Family Practice44

Internal Medicine26

Cardiovascular Disease (Cardiology)23

Emergency Medicine20

Anesthesiology17

Obstetrics/Gynecology17

41 other specialties144

Nearest to this location (20)

See all 419

Yen Chen Liu, MD

Dermatology

NPI 1316269160

1421 4TH ST SW
Mason City, IA 50401

(641) 428-2080

✔ PECOS✔ Accepts MedicareSame address

Talon Jones, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1720463763

1410 6TH ST SW
Mason City, IA 50401

(641) 424-6704

✔ PECOS✔ Accepts Medicare0.1 mi

Sara Wolfe, ARNP

Nurse Practitioner

NPI 1558795252

520 S PIERCE AVE STE 150
Mason City, IA 50401

(641) 494-5000

✔ PECOS✔ Accepts Medicare0.1 mi

Evelyn Inga

Internal Medicine

NPI 1114509098

1631 4TH ST SW # 114B
Mason City, IA 50401

(641) 428-6000

✔ PECOS✔ Accepts Medicare0.1 mi

Lynne Senty, DO

Family Practice

NPI 1588770788

1631 4TH ST SW STE 114A
Mason City, IA 50401

(641) 428-2506

✔ PECOS0.2 mi

Jennifer Arndt, MS, RDN, LD

Registered Dietitian or Nutrition Professional

NPI 1306407176

1010 4TH ST SW STE 120
Mason City, IA 50401

(641) 428-6020

✔ Accepts Medicare0.3 mi

Ryan Beardsley, MD

Obstetrics/Gynecology

NPI 1356870034

1010 4TH ST SW STE 220
Mason City, IA 50401

(641) 428-5100

✔ PECOS✔ Accepts Medicare0.3 mi

David Beck, MD

Neurosurgery

NPI 1710099809

1010 4TH ST SW SUITE 105
Mason City, IA 50401

(641) 428-7847

✔ PECOS0.3 mi

Crystal Menken, PSY.D

Clinical Psychologist

NPI 1891940730

1010 4TH ST SW SUITE 340
Mason City, IA 50401

(641) 428-7766

✔ PECOS✔ Accepts Medicare0.3 mi

Mohamed Abdi, MD

Radiation Oncology

NPI 1982162608

1000 4TH ST SW
Mason City, IA 50401

(641) 428-6330

✔ PECOS✔ Accepts Medicare0.4 mi

Sheela Ahari, MD

Anesthesiology

NPI 1518910462

1000 4TH ST SW
Mason City, IA 50401

(641) 422-7000

✔ PECOS✔ Accepts Medicare0.4 mi

Gabriel Bensaad-Johnson, DO

Emergency Medicine

NPI 1417538570

1000 4TH ST SW
Mason City, IA 50401

(641) 428-7000

✔ PECOS✔ Accepts Medicare0.4 mi

Connie Bleile, LISW

Clinical Social Worker

NPI 1538338470

1000 4TH ST SW SUITE BS
Mason City, IA 50401

(641) 422-7797

✔ PECOS0.4 mi

Aidan Charles, MD

General Surgery

NPI 1902397680

1000 4TH STREET SW
Mason City, IA 50401

(641) 428-7000

✔ PECOS✔ Accepts Medicare0.4 mi

Sandra Leticia Crosara, MD

Infectious Disease

NPI 1922319656

1000 4TH ST SW
Mason City, IA 50401

(641) 428-6999

✔ PECOS✔ Accepts Medicare0.4 mi

Mikala Daskalakis, DO

Pediatric Medicine

NPI 1588305759

1000 4TH ST SW
Mason City, IA 50401

(641) 428-7000

✔ PECOS0.4 mi

Thomas Delaney, MD

Hospitalist

NPI 1033226469

1000 4TH ST SW SUITE HOSP
Mason City, IA 50401

(641) 422-7000

✔ PECOS0.4 mi

Sadam Haddadin, MD

Pulmonary Disease

NPI 1144707431

1000 4TH ST SW
Mason City, IA 50401

(641) 428-6999

✔ PECOS✔ Accepts Medicare0.4 mi

Mark Hong, M.D

Nephrology

NPI 1982048286

1000 4TH ST SW
Mason City, IA 50401

(641) 428-6999

✔ PECOS✔ Accepts Medicare0.4 mi

Leann Lord, LMHC

Mental Health Counselor

NPI 1992285662

1000 4TH ST SW
Mason City, IA 50401

(641) 428-7000

✔ PECOS✔ Accepts Medicare0.4 mi

See all 419 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is North Iowa Mercy Clinics's NPI number?

The NPI number for North Iowa Mercy Clinics is 1962674598. It was assigned to this organization in the NPPES registry on March 24, 2008. The provider is doing business as Mercy Dermatology Center and MercyOne North Iowa Dermatology Care.

Where is North Iowa Mercy Clinics located?

North Iowa Mercy Clinics is located at 1421 4th St SW, Mason City, IA 50401. The listed phone number is (641) 428-2080.

What is North Iowa Mercy Clinics's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is North Iowa Mercy Clinics enrolled in Medicare?

Yes. North Iowa Mercy Clinics is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through North Iowa Mercy Clinics?

According to the CMS Revalidation Reassignment List (October 2026 release), 419 clinicians in 49 Medicare specialties reassign their Medicare billing to North Iowa Mercy Clinics. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (73), Certified Registered Nurse Anesthetist (CRNA) (55) and Family Practice (44). Of these, 1 practice at this address and 206 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for North Iowa Mercy Clinics was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.